Orfox: Centralized proxy applied to AbstractCommunicator and BaseResources.

See Bug 1357997 for partial uplift.

Also:
Bug 28051 - Use our Orbot for proxying our connections

Bug 31144 - ESR68 Network Code Review

mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ProxySelector.java

@@ -28,6 +28,10 @@ import java.net.URLConnection;
 import java.util.List;
 
 public class ProxySelector {
+  private static final String TOR_PROXY_ADDRESS = "127.0.0.1";
+  private static final int TOR_SOCKS_PROXY_PORT = 9150;
+  private static final int TOR_HTTP_PROXY_PORT = 8218;
+
   public static URLConnection openConnectionWithProxy(final URI uri) throws IOException {
     final java.net.ProxySelector ps = java.net.ProxySelector.getDefault();
     Proxy proxy = Proxy.NO_PROXY;
@@ -38,7 +42,26 @@ public class ProxySelector {
       }
     }
 
-    return uri.toURL().openConnection(proxy);
+    /* Ignore the proxy we found from the VM, only use Tor. We can probably
+     * safely use the logic in this class in the future. */
+    return uri.toURL().openConnection(getProxy());
+  }
+
+  public static Proxy getProxy() {
+    // TODO make configurable
+    return new Proxy(Proxy.Type.SOCKS, new InetSocketAddress(TOR_PROXY_ADDRESS, TOR_SOCKS_PROXY_PORT));
+  }
+
+  public static String getProxyHostAddress() {
+    return TOR_PROXY_ADDRESS;
+  }
+
+  public static int getSocksProxyPort() {
+    return TOR_SOCKS_PROXY_PORT;
+  }
+
+  public static int getHttpProxyPort() {
+    return TOR_HTTP_PROXY_PORT;
   }
 
   public ProxySelector() {}